'How to resolve PSRemoting error with powershell 7.2.1?

I have problem when trying to use Powershell when remoting seesion:

$PSSessionConfigurationName = 'Powershell.7.'

Enter-PSSession -ComputerName MyHostname

When i try these command this error appears :

C:\Windows\system32\Powershell\7.2.1\pwrshplugin.dll is not loaded. (with some stuff)

But this file really exists, os win server 2012 r2

Help please

windows powershell

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